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<FONT color="green">001</FONT>    package org.hackystat.dailyprojectdata.resource.ping;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import static org.hackystat.dailyprojectdata.server.ServerProperties.SENSORBASE_FULLHOST_KEY;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    import org.hackystat.dailyprojectdata.resource.dailyprojectdata.DailyProjectDataResource;<a name="line.5"></a>
<FONT color="green">006</FONT>    import org.hackystat.sensorbase.client.SensorBaseClient;<a name="line.6"></a>
<FONT color="green">007</FONT>    import org.restlet.Context;<a name="line.7"></a>
<FONT color="green">008</FONT>    import org.restlet.data.Request;<a name="line.8"></a>
<FONT color="green">009</FONT>    import org.restlet.data.Response;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.restlet.resource.Representation;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.restlet.resource.StringRepresentation;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.restlet.resource.Variant;<a name="line.12"></a>
<FONT color="green">013</FONT>    <a name="line.13"></a>
<FONT color="green">014</FONT>    /**<a name="line.14"></a>
<FONT color="green">015</FONT>     * The PingResource responds to a GET {host}/ping with the string "DailyProjectData".<a name="line.15"></a>
<FONT color="green">016</FONT>     * It responds to GET  {host}/ping?user={user}&amp;password={password} with<a name="line.16"></a>
<FONT color="green">017</FONT>     * "DailyProjectData authenticated" if the user and password are valid, and <a name="line.17"></a>
<FONT color="green">018</FONT>     * "DailyProjectData" if not valid. <a name="line.18"></a>
<FONT color="green">019</FONT>     * @author Philip Johnson<a name="line.19"></a>
<FONT color="green">020</FONT>     */<a name="line.20"></a>
<FONT color="green">021</FONT>    public class PingResource extends DailyProjectDataResource {<a name="line.21"></a>
<FONT color="green">022</FONT>      <a name="line.22"></a>
<FONT color="green">023</FONT>      /** From the URI, if authentication is desired. */<a name="line.23"></a>
<FONT color="green">024</FONT>      private String user; <a name="line.24"></a>
<FONT color="green">025</FONT>      /** From the URI, if authentication is desired. */<a name="line.25"></a>
<FONT color="green">026</FONT>      private String password;<a name="line.26"></a>
<FONT color="green">027</FONT>      <a name="line.27"></a>
<FONT color="green">028</FONT>      /**<a name="line.28"></a>
<FONT color="green">029</FONT>       * The standard constructor.<a name="line.29"></a>
<FONT color="green">030</FONT>       * @param context The context.<a name="line.30"></a>
<FONT color="green">031</FONT>       * @param request The request object.<a name="line.31"></a>
<FONT color="green">032</FONT>       * @param response The response object.<a name="line.32"></a>
<FONT color="green">033</FONT>       */<a name="line.33"></a>
<FONT color="green">034</FONT>      public PingResource(Context context, Request request, Response response) {<a name="line.34"></a>
<FONT color="green">035</FONT>        super(context, request, response);<a name="line.35"></a>
<FONT color="green">036</FONT>        this.user = (String) request.getAttributes().get("user");<a name="line.36"></a>
<FONT color="green">037</FONT>        this.password = (String) request.getAttributes().get("password");<a name="line.37"></a>
<FONT color="green">038</FONT>      }<a name="line.38"></a>
<FONT color="green">039</FONT>      <a name="line.39"></a>
<FONT color="green">040</FONT>      /**<a name="line.40"></a>
<FONT color="green">041</FONT>       * Returns the string "DailyProjectData" or "DailyProjectData authenticated", <a name="line.41"></a>
<FONT color="green">042</FONT>       * depending upon whether credentials are passed as form parameters and whether<a name="line.42"></a>
<FONT color="green">043</FONT>       * they are valid. <a name="line.43"></a>
<FONT color="green">044</FONT>       * @param variant The representational variant requested.<a name="line.44"></a>
<FONT color="green">045</FONT>       * @return The representation as a string.  <a name="line.45"></a>
<FONT color="green">046</FONT>       */<a name="line.46"></a>
<FONT color="green">047</FONT>      @Override<a name="line.47"></a>
<FONT color="green">048</FONT>      public Representation getRepresentation(Variant variant) {<a name="line.48"></a>
<FONT color="green">049</FONT>        String unauthenticated = "DailyProjectData";<a name="line.49"></a>
<FONT color="green">050</FONT>        String authenticated = "DailyProjectData authenticated";<a name="line.50"></a>
<FONT color="green">051</FONT>        // Don't try to authenticate unless the user has passed both a user and password. <a name="line.51"></a>
<FONT color="green">052</FONT>        if ((user == null) || (password == null)) {<a name="line.52"></a>
<FONT color="green">053</FONT>          return new StringRepresentation(unauthenticated);<a name="line.53"></a>
<FONT color="green">054</FONT>        }<a name="line.54"></a>
<FONT color="green">055</FONT>        // There is a user and password. So, check the SensorBase to see. <a name="line.55"></a>
<FONT color="green">056</FONT>        String sensorBaseHost = server.getServerProperties().get(SENSORBASE_FULLHOST_KEY);<a name="line.56"></a>
<FONT color="green">057</FONT>        boolean OK = SensorBaseClient.isRegistered(sensorBaseHost, user, password);<a name="line.57"></a>
<FONT color="green">058</FONT>        return new StringRepresentation((OK ? authenticated : unauthenticated));<a name="line.58"></a>
<FONT color="green">059</FONT>      }<a name="line.59"></a>
<FONT color="green">060</FONT>      <a name="line.60"></a>
<FONT color="green">061</FONT>    <a name="line.61"></a>
<FONT color="green">062</FONT>    }<a name="line.62"></a>




























































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